St Joseph's School
Updated Oct 2026 · ACARA 2025Mernda, Victoria 3754 · Whittlesea LGA
#316 of 1,290 primary schools in VIC
#708 of 4,908 nationally
About St Joseph's School
St Joseph's School is a catholic primary school located in Mernda, Victoria (3754), within the Whittlesea local government area. It caters for students from Prep to 6 and in 2025 enrolled 497 students (229 girls and 268 boys). The school is affiliated with Victorian Catholic Education Authority.
St Joseph's School has an ICSEA value of 1094, indicating above-average socio-educational advantage. That places it in the 82nd percentile of Australian schools. 35% of students come from the top socio-educational quarter and 6% from the bottom quarter.
The school employs 36 teachers (32.0 full-time equivalent) and 27 non-teaching staff, giving a student-to-teacher ratio of about 15.5 to 1. Enrolments have grown by 37% over the past five years.
On the Success Index, St Joseph's School scores 73.3 out of 100, placing it in the top 25% of primary schools nationally and 316th of 1,290 primary schools in VIC (3rd of 41 in the Whittlesea area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 1094
- Students in the top advantage quarter (15%)35% of students
- Teacher resourcing (students per teacher) (15%)15.5 students per teacher
- Enrolment growth vs local area (5 years) (10%)+37% enrolments since 2020 (area median -5%)
- ICSEA trend (5 years) (10%)+5 ICSEA points since 2020
The Success Index summarises the academic environment of a school community using official ACARA data. It is not a measure of teaching quality or student results. Read the methodology.
Student profile
Distribution of students across socio-educational advantage (SEA) quarters, plus community characteristics.
Enrolments by year level
How St Joseph's School's 497 students are spread across year levels in 2025.
Enrolment trend
How enrolments at St Joseph's School have changed over the past decade.
Free academic assessment
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Schools near St Joseph's School
Closest schools by straight-line distance, with their Success Index.
Mernda Primary School
Mernda · Government primary · Prep-6
844 students · ICSEA 1035 · 193 m away
Mernda Central P-12 College
Mernda · Government combined · Prep-12
1,746 students · ICSEA 1009 · 944 m away
Mernda Hills Christian College
Mernda · Independent combined · Prep-12
359 students · ICSEA 1119 · 1.5 km away
Mernda Park Primary School
Mernda · Government primary · Prep-6
369 students · ICSEA 1057 · 2.1 km away
St Paul the Apostle Catholic Primary School
Doreen · Catholic primary · Prep-6
454 students · ICSEA 1080 · 2.2 km away
Hazel Glen College
Doreen · Government combined · Prep-12
2,141 students · ICSEA 1023 · 2.9 km away
Laurimar Primary School
Doreen · Government primary · Prep-6
968 students · ICSEA 1027 · 3.3 km away
Ashley Park Primary School
Doreen · Government primary · Prep-6
497 students · ICSEA 1037 · 3.8 km away
The Lakes South Morang College
South Morang · Government combined · Prep-12
688 students · ICSEA 1004 · 4.5 km away
Plenty Valley Christian College
Doreen · Independent combined · Prep-12
911 students · ICSEA 1113 · 4.7 km away
Similar schools
Catholic primary schools in VIC with a comparable ICSEA.
Our Lady Help of Christians School
Eltham · Catholic primary · Prep-6
79 students · ICSEA 1094
St John's School
Mitcham · Catholic primary · Prep-6
142 students · ICSEA 1095
St Justin's School
Wheelers Hill · Catholic primary · Prep-6
325 students · ICSEA 1093
St Francis of the Fields School
Strathfieldsaye · Catholic primary · Prep-6
614 students · ICSEA 1093
Clairvaux Catholic School
Belmont · Catholic primary · Prep-6
631 students · ICSEA 1095
St Patrick's School
Ballarat · Catholic primary · Prep-6
249 students · ICSEA 1096
Frequently asked questions
Is St Joseph's School a public or private school?
St Joseph's School is a Catholic school, which makes it a non-government (private) school affiliated with Victorian Catholic Education Authority.
What year levels does St Joseph's School offer?
St Joseph's School offers Prep to 6. It is classified by ACARA as a primary school.
How many students attend St Joseph's School?
In 2025, St Joseph's School had 497 enrolled students (229 girls, 268 boys), a change of 37% over five years.
What is the ICSEA of St Joseph's School?
St Joseph's School has an ICSEA (Index of Community Socio-Educational Advantage) of 1094. The national average is 1000, so this indicates above-average socio-educational advantage. ICSEA reflects the school community, not teaching quality.
How does St Joseph's School rank in VIC?
St Joseph's School ranks 316th of 1,290 primary schools in Victoria on the Success Index (73.3/100), and 708th of 4,908 nationally.
What is the student-to-teacher ratio at St Joseph's School?
St Joseph's School has about 15.5 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How many students start Prep at St Joseph's School each year?
In 2025, St Joseph's School had 78 students in Prep and 70 in Year 6.
Is St Joseph's School co-ed?
Yes. St Joseph's School is a co-educational school enrolling both girls and boys.
What other schools are near St Joseph's School?
There are 10 other schools within 15 km of St Joseph's School in our database. Scroll up to the "Nearby schools" section to compare them by Success Index, ICSEA and enrolments, or use the Compare tool.
Where can I get tutoring near St Joseph's School?
The closest Success Tutoring centre is Success Tutoring Craigieburn, about 15 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.